http://e-repository.perpus.iainsalatiga.ac.id/11166
http://e-repository.perpus.iainsalatiga.ac.id/11618
http://e-repository.perpus.iainsalatiga.ac.id/11278
http://e-repository.perpus.iainsalatiga.ac.id/12273
http://e-repository.perpus.iainsalatiga.ac.id/11999
http://e-repository.perpus.iainsalatiga.ac.id/12093